What is the air quality trend in Chinch'ŏn?

Over the past 8 days, Chinch'ŏn had an average AQI of 55 based on station measurements. The worst day was 2026-05-30 with AQI 72.

How is Chinch'ŏn air quality measured?

Air quality in Chinch'ŏn is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Chinch'ŏn, South Korea

Name: Chinch'ŏn Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Chinch'ŏn, South Korea.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 47 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	72	59–85	22.0 µg/m³	9h	50
2026-05-29	62	55–83	17.5 µg/m³	24h	51
2026-05-28	55	36–90	14.9 µg/m³	24h	47
2026-05-27	34	26–45	8.1 µg/m³	24h	48
2026-05-26	48	18–61	12.0 µg/m³	24h	45
2026-05-25	58	39–70	15.5 µg/m³	24h	53
2026-05-24	59	30–68	16.0 µg/m³	24h	52
2026-05-23	56	53–61	14.4 µg/m³	13h	52

Back to Chinch'ŏn Air Quality